package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.User;
import com.itheima.reggie.service.UserService;
import com.itheima.reggie.utils.SMSUtils;
import com.itheima.reggie.utils.ValidateCodeUtils;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpSession;
import java.util.Map;

@RestController
@RequestMapping("/user")
@Slf4j
public class UserController {
    @Autowired
    private UserService userService;


    /**
     * 发送手机验证码
     * @param user
     * @return
     */
    @PostMapping("/sendMsg")
    public R<String> sendMsg(@RequestBody User user, HttpSession session){
        //获取手机号
        String phone = user.getPhone();

        if (StringUtils.isNotEmpty(phone)){
            //生成随机的四位验证码(调用工具类ValidateCodeUtils的方法完成)
            String code = ValidateCodeUtils.generateValidateCode(4).toString();
            log.info("code={}",code);

            //调用阿里云提供的短信服务API完成生成短信
            //参数一：签名    参数二：模板Code      参数三：电话号码    参数四：要发送的验证码
//            SMSUtils.sendMessage("瑞吉外卖","",phone,code);

            //将生成的验证码保存到Session
            session.setAttribute(phone,code);

            return R.success("手机验证码发送成功");
        }


        return R.error("短信发送失败");
    }


    /**
     * 移动端用户登录
     */
    @PostMapping("/login")
    public R<User> login(@RequestBody Map map,HttpSession session){
        log.info(map.toString());

        //获取手机号
        String phone = map.get("phone").toString();

        //获取验证码
        String code = map.get("code").toString();

        //从session中获取保存的验证码
        Object attribute = session.getAttribute(phone);

        //进行验证码的比对（页面提交的验证码和Session中的验证码进行比较）
        if (attribute != null && attribute.equals(code)){
            //如果能够比对成功，说明登录成功
            LambdaQueryWrapper<User> lqw = new LambdaQueryWrapper<>();
            lqw.eq(User::getPhone,phone);

            User user = userService.getOne(lqw);
            if (user == null){
                //判断当前手机号对应的用户是否为新用户，如果是新用户则自动完成注册
                user = new User();
                user.setPhone(phone);
                user.setStatus(1);
                userService.save(user);
            }
            //登录成功需要将用户id放入session
            session.setAttribute("user",user.getId());
            return  R.success(user);

        }

        return R.error("验证码错误");
    }


}


